Various aspects of the interaction between metal matrix and ceramic reinforcing metal matrix and ceramic reinforcing material in long-fiber MMCs (Al-SiC), obtained with different production technologies, were examined. Long fibers of SiC (Nicalon) were used for the processes of infiltration of the liquid metal and plasma spray. For these processes, the Nicalon fibers were woven in the form of fabric, and were subjected to a pretreatment of surface activation in order to increase the wettability of the fibers by the liquid aluminum. Strands of performed fiber metallized with aluminum were used for the diffusion bonding process after various alloying elements had been deposited on the strands using electro-chemical procedures. The samples of MMCs produced with the various technologies were subjected to tests to measure the interlaminar shear strength and the results obtained were evaluated and compared with those from SEM-EDS-WDS analyses of the metal matrix-ceramic reinforcement interfa...
Metal matrix - ceramic reinforcement interaction in long fiber MMC (AlSiC) obtained with different preparation technologies
GARAGNANI, Gian Luca;
1993
Abstract
Various aspects of the interaction between metal matrix and ceramic reinforcing metal matrix and ceramic reinforcing material in long-fiber MMCs (Al-SiC), obtained with different production technologies, were examined. Long fibers of SiC (Nicalon) were used for the processes of infiltration of the liquid metal and plasma spray. For these processes, the Nicalon fibers were woven in the form of fabric, and were subjected to a pretreatment of surface activation in order to increase the wettability of the fibers by the liquid aluminum. Strands of performed fiber metallized with aluminum were used for the diffusion bonding process after various alloying elements had been deposited on the strands using electro-chemical procedures. The samples of MMCs produced with the various technologies were subjected to tests to measure the interlaminar shear strength and the results obtained were evaluated and compared with those from SEM-EDS-WDS analyses of the metal matrix-ceramic reinforcement interfa...I documenti in SFERA sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
